<template>
  <NavBar></NavBar>
    <ContentFiled>
        <table class="table table-striped table-hover" style="text-align: center;">
            <thead>
                <tr>
                    <th>玩家</th>
                    <th>分数</th>
                </tr>
            </thead>
            <tbody>
                <tr v-for="user in users" :key="user.id">
                    <td>
                        <img :src="user.avatarUrl" alt="" class="record-user-photo">
                        &nbsp;
                        <span class="record-user-username">{{ user.username }}</span>
                    </td>
                    <td>
                        {{ user.score }}
                    </td>
                </tr>
            </tbody>
        </table>
        <nav aria-label="...">
            <ul class="pagination" style="float: right;">
                <li class="page-item" @click="click_page(-2)">
                    <a class="page-link" href="#">上一页</a>
                </li>
                <li 
                    v-for="page in pages" :key="page.number" 
                    :class="'page-item ' + page.is_active "
                    @click="click_page(page.number)">
                        <a class="page-link" href="#">{{ page.number }}</a>
                </li>
                <li class="page-item" @click="click_page(-1)">
                    <a class="page-link" href="#">Next</a>
                </li>
            </ul>
        </nav>
    </ContentFiled>
</template>
<script>

import ContentFiled from '@/components/ContentFiled.vue'
import { useStore } from 'vuex'
import $ from 'jquery'
import { ref } from 'vue'
import NavBar from "@/components/NavBar.vue";

export default{
    components:{
      NavBar,
        ContentFiled
    },

    setup(){
        const store = useStore();
        let users = ref([]);
        let current_page = 1;
        let total_users = 0;
        let pages = ref([]);

        const click_page = page =>{
            if(page === -2)page = current_page -1;
            else if(page === -1) page = current_page + 1;
            let max_pages = parseInt(Math.ceil(total_users / 5));

            if(page >= 1 && page <= max_pages){
                pull_page(page);
            }
        }

        const update_pages = () =>{
            let max_pages = parseInt(Math.ceil(total_users / 5));
            let new_pages = [];
            for(let i = current_page - 2;i<= current_page + 2;i++){
                if(i >= 1 && i <= max_pages){
                    new_pages.push({
                        number:i,
                        is_active: i === current_page ? "active":"",
                    });
                }
            }
            pages.value = new_pages;
        }

        const pull_page = page => {
            current_page = page;
            $.ajax({
                    url: "http://10.70.128.53:7090/api/user/ranking/page",

                    type: "post",
                    headers:{
                        Authorization: "Bearer " + store.state.user.token,
                    },
                    contentType: "application/json",
                    data: JSON.stringify({
                      userId:store.state.user.userId,
                      page: current_page,
                      size: 10 // 每页记录数
                    }),
                    success(resp){
                        users.value = resp.data.data;
                        total_users = resp.data.total;
                        update_pages();
                    },
                    error(resp){
                        console.log(resp);
                    }
                })
        }

        pull_page(current_page);

        return {
            users,
            pages,
            click_page,
        }
    }
}
</script>

<style scoped>
img.record-user-photo{
    width: 5vh;
    height: 5vh;
    border-radius: 50%;

}
</style>